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Finding the Third Proportional to 21,080 and 46,626

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Solution

The third proportional to 21,080 and 46,626 is: 103,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080 : 46,626 = 46,626 : x
  2. Step 2: Convert to fraction form
    21,080/46,626 = 46,626/x
  3. Step 3: Cross multiply
    21,080x = 46,626 × 46,626
  4. Step 4: Simplify right side
    21,080x = 2,173,983,876
  5. Step 5: Solve for x
    x = 2,173,983,876/21,080
  6. Step 6: Final answer
    x = 103,130.16

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.